<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
  <h1>用户注册</h1>
  <form id="form">
    <div>
      用户名：<input type="text" name="username"> <br/>
      密码：<input type="password" name="password">
    </div>
    <div>
      <input type="submit" id="submit" value="注册" />
    </div>
  </form>
  <script src="./javascripts/app.js"></script>
</body>
</html>